as you know, nigh -- nigeria has significant power. the government feels it has significant power as well in the country. >> i believe in power of social movement and social action. i believe the marches across nigeria and around the world with after dress the challenges of safety in nigeria whether a bus bombing or children kidnapped. this is a place investment of diplomacy is as important as investment of economics. >> thanks for joining me holly. >> thank you. >>> dozens of people are injured in a collision involving two subway trains in seoul. reports say the train was leaving the station in the east of seoul when it was rammed from behind. many of those hurt were said to have jumped from the damaged train. there are no reports of serious injuries.kv? c1 here's mike. >> reporter: rescue operation at the subway station in the east of the capital after the collision. witnesses said one train was leaving the station as another train came in and rammed it from behind. government emergency officials o=:?ok0çñ%iñrñr caused as passe